Evaluation of a Simulated Vehicle-Related Feature

1. A method performed by a vehicle feature evaluation system for enabling evaluation of a simulated vehicle-related feature, the method comprising: determining in relation to a road-driven vehicle, with support from a tracking system, an orientation of a head mounted display, HMD, adapted to be worn by an occupant on-board the road-driven vehicle; determining a simulated vehicle design feature to be evaluated in the road-driven vehicle; and providing in real-time to a HMD display of the HMD, taking into consideration the HMD orientation, a virtual representation of the simulated vehicle design feature superimposed on a real-time surrounding-showing video stream derived from real-world image data captured with support from one or more vehicle-attached cameras adapted to capture surroundings external of the road-driven vehicle, wherein the virtual representation of the simulated vehicle design feature replaces an excluded portion of the real-time surrounding-showing video stream, and wherein the virtual representation of the simulated vehicle design feature and the replaced excluded portion of the real-time surrounding-showing video stream are varied based on the HMD orientation.

2. The method according to claim 1 , wherein the simulated vehicle design feature comprises one or more of a simulated vehicle interior section and a simulated vehicle exterior section.

3. The method according to claim 1 , further comprising: determining a simulated vehicle functionality feature to be evaluated in the road-driven vehicle; wherein the providing further comprises additionally providing in real-time to the HMD display, taking into consideration the HMD orientation, a virtual representation of the simulated vehicle functionality feature superimposed on the real-time surrounding-showing video stream, which simulated vehicle functionality feature comprises one or more of: a simulated vehicle human machine interface, HMI; a simulated vehicle display; a simulated vehicle head-up display, HUD; simulated light characteristics; and a simulated effect resulting from a simulation of the simulated vehicle functionality feature.

4. The method according to claim 1 , further comprising: determining a simulated object feature to be evaluated in the road-driven vehicle; wherein the providing further comprises additionally providing in real-time to the HMD display, taking into consideration the HMD orientation, a virtual representation of the simulated object feature superimposed on the real-time surrounding-showing video stream, which simulated object feature comprises one or more of: a simulated other vehicle; a simulated road user; and a simulated moving or fixed obstacle.

5. The method according to claim 4 , further comprising one or more of: updating the virtual functionality feature representation based on a user interaction with the simulated vehicle functionality feature, which user interaction for instance is based on detection, by means of one or more user interaction sensors, of a user in and/or at the fictive functionality feature location; and/or updating the virtual functionality feature representation based on a vehicle signal affecting the simulated vehicle functionality feature, derived from the road-driven vehicle.

6. The method according to claim 1 , further comprising: determining one or more of: a fictive design feature location of the simulated vehicle design feature relative the road-driven vehicle; a fictive functionality feature location of the simulated vehicle functionality feature relative the road-driven vehicle; and a fictive object feature location of the simulated object feature relative the road-driven vehicle; wherein the providing taking into consideration the HMD orientation comprises one or more of: providing the virtual design feature representation superimposed on the real-time surrounding-showing video stream such that positioning of the virtual design feature representation corresponds to the fictive design feature location; providing a virtual functionality feature representation superimposed on the real-time surrounding-showing video stream such that positioning of the virtual functionality feature representation corresponds to the fictive functionality feature location; and providing the virtual object feature representation superimposed on the real-time surrounding-showing video stream such that positioning of the virtual object feature representation corresponds to the fictive object feature location.

7. The method according to claim 1 , further comprising one or more of: updating: the real-time surrounding-showing video stream; the superimposed virtual design feature representation; a superimposed virtual functionality feature representation; and a superimposed virtual object feature representation based on updated captured image data and/or based on updated determined HMD orientation.

8. A vehicle feature evaluation system for enabling evaluation of a simulated vehicle-related feature, the vehicle feature evaluation system comprising: a HMD orientation determining unit comprising memory storing instructions executed by a processor for determining in relation to a road-driven vehicle, with support from a tracking system, an orientation of a head mounted display, HMD, adapted to be worn by an occupant on-board the road-driven vehicle; a design feature determining unit comprising memory storing instructions executed by the processor for determining a simulated vehicle design feature to be evaluated in the road-driven vehicle; and a HMD providing unit comprising memory storing instructions executed by the processor for providing in real-time to a HMD display of the HMD, taking into consideration the HMD orientation, a virtual representation of the simulated vehicle design feature superimposed on a real-time surrounding-showing video stream derived from real-world image data captured with support from one or more vehicle-attached cameras adapted to capture surroundings external of the road-driven vehicle, wherein the virtual representation of the simulated vehicle design feature replaces an excluded portion of the real-time surrounding-showing video stream, and wherein the virtual representation of the simulated vehicle design feature and the replaced excluded portion of the real-time surrounding-showing video stream are varied based on the HMD orientation.

9. The vehicle feature evaluation system according to claim 8 , wherein the simulated vehicle design feature comprises one or more of a simulated vehicle interior section and a simulated vehicle exterior section.

10. The vehicle feature evaluation system according to claim 8 , further comprising: a functionality feature determining unit comprising memory storing instructions executed by the processor for determining a simulated vehicle functionality feature to be evaluated in the road-driven vehicle; wherein the HMD providing unit is adapted for additionally providing in real-time to the HMD display, taking into consideration the HMD orientation, a virtual representation of the simulated vehicle functionality feature superimposed on the real-time surrounding-showing video stream, which simulated vehicle functionality feature comprises one or more of: a simulated vehicle human machine interface, HMI; a simulated vehicle display; a simulated vehicle head-up display, HUD; simulated light characteristics; and a simulated effect resulting from a simulation of the simulated vehicle functionality feature.

11. The vehicle feature evaluation system according to claim 8 , further comprising: an object feature determining unit comprising memory storing instructions executed by the processor for determining a simulated object feature to be evaluated in the road-driven vehicle; wherein the HMD providing unit is adapted for additionally providing in real-time to the HMD display, taking into consideration the HMD orientation, a virtual representation of the simulated object feature superimposed on the real-time surrounding-showing video stream, which simulated object feature comprises one or more of: a simulated other vehicle; a simulated road user; and a simulated moving or fixed obstacle.

12. The vehicle feature evaluation system according to claim 11 , further comprising one or more of: a user interaction updating unit comprising memory storing instructions executed by the processor for updating the virtual functionality feature representation based on a user interaction with the simulated vehicle functionality feature, which user interaction for instance is based on detection, by means of one or more user interaction sensors, of a user in and/or at the fictive functionality feature location; and a vehicle signal updating unit comprising memory storing instructions executed by the processor for updating the virtual functionality feature representation based on a vehicle signal affecting the simulated vehicle functionality feature, derived from the road-driven vehicle.

13. The vehicle feature evaluation system according to claim 8 , further comprising: a location determining unit comprising memory storing instructions executed by the processor for determining one or more of: a fictive design feature location of the simulated vehicle design feature relative the road-driven vehicle; a fictive functionality feature location of the simulated vehicle functionality feature relative the road-driven vehicle; and a fictive object feature location of the simulated object feature relative the road-driven vehicle; wherein the HMD providing unit further is adapted for one or more of: providing the virtual design feature representation superimposed on the real-time surrounding-showing video stream such that positioning of the virtual design feature representation corresponds to the fictive design feature location; providing a virtual functionality feature representation superimposed on the real-time surrounding-showing video stream such that positioning of the virtual functionality feature representation corresponds to the fictive functionality feature location; and providing the virtual object feature representation superimposed on the real-time surrounding-showing video stream such that positioning of the virtual object feature representation corresponds to the fictive object feature location.

14. The vehicle feature evaluation system according to claim 8 , further comprising one or more of: a continuous updating unit comprising memory storing instructions executed by the processor for updating: the real-time surrounding-showing video stream; the superimposed virtual design feature representation; a superimposed virtual functionality feature representation; and a superimposed virtual object feature representation based on updated captured image data and/or based on updated determined HMD orientation.

15. A vehicle comprising a vehicle feature evaluation system according to claim 8 .